/* FlexiNotes — Website
   Papier und Tinte: warmes Papier, dunkelblaue Tinte, Einbandfarben der App als Akzente.
   Alle Gestaltungswerte stehen im :root-Block — einen Wert ändern, nicht eine Regel.
   Bewusst keine Webfonts: Systemschriften laden von keinem fremden Server. */

:root {
  --paper: #fbf8f1;
  --paper-2: #f3eee2;
  --card: #ffffff;
  --line: rgba(40, 52, 90, 0.10);
  --rule: rgba(63, 90, 160, 0.13);
  --ink: #1b2340;
  --ink-2: #4a526b;
  --ink-3: #737a90;
  --accent: #3b3f9e;        /* Einband Indigo */
  --accent-2: #2d3183;
  --accent-soft: rgba(59, 63, 158, 0.10);
  --terracotta: #b8583a;    /* Einband Terrakotta */
  --forest: #2f6149;        /* Einband Waldgrün */
  --slate: #3f4a5e;         /* Einband Schiefer */
  --marker: rgba(250, 204, 21, 0.45);

  --font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-display: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-serif: "New York", "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;

  --radius-lg: 22px;
  --radius: 14px;
  --radius-sm: 9px;
  --shadow-sm: 0 1px 2px rgba(27, 35, 64, .06), 0 2px 8px rgba(27, 35, 64, .05);
  --shadow: 0 2px 6px rgba(27, 35, 64, .06), 0 18px 40px rgba(27, 35, 64, .10);
  --max: 1160px;
  --gutter: clamp(16px, 4vw, 32px);
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #12151f;
    --paper-2: #181c29;
    --card: #1d2231;
    --line: rgba(255, 255, 255, 0.08);
    --rule: rgba(140, 160, 230, 0.10);
    --ink: #eef0f7;
    --ink-2: #b7bdd0;
    --ink-3: #8a91a8;
    --accent: #9ea3ff;
    --accent-2: #b8bcff;
    --accent-soft: rgba(158, 163, 255, 0.14);
    --terracotta: #e28a6c;
    --forest: #7cc3a0;
    --slate: #a6b1c6;
    --marker: rgba(250, 204, 21, 0.30);
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, .3);
    --shadow: 0 18px 40px rgba(0, 0, 0, .35);
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 17px/1.6 var(--font);
  text-wrap: pretty;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); text-underline-offset: 3px; text-decoration-thickness: 1px; }
a:hover { color: var(--accent-2); }
h1, h2, h3 { font-family: var(--font-display); line-height: 1.15; letter-spacing: -0.02em; margin: 0; }
p { margin: 0 0 1em; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

.skip { position: absolute; inset-inline-start: -9999px; }
.skip:focus { inset-inline-start: 16px; top: 12px; z-index: 100; background: var(--card); padding: 8px 12px; border-radius: 8px; }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter); }

/* ------------------------------------------------------------------ Kopfzeile */
.progress { position: fixed; top: 0; inset-inline-start: 0; height: 2px; width: 0; background: var(--accent); z-index: 60; }
.nav-bar {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--paper) 86%, transparent);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid var(--line);
  transition: box-shadow .2s;
}
.nav { display: flex; align-items: center; gap: 22px; height: 62px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; color: var(--ink); text-decoration: none; font-size: 18px; margin-inline-end: auto; }
.brand img { width: 30px; height: 30px; border-radius: 8px; }
.nav a.link { color: var(--ink-2); text-decoration: none; font-size: 15px; }
.nav a.link:hover, .nav a.link[aria-current="page"] { color: var(--ink); }
.lang { display: inline-flex; border: 1px solid var(--line); border-radius: 999px; padding: 2px; }
.lang button {
  border: 0; background: transparent; color: var(--ink-3); font: 600 12px/1 var(--font);
  padding: 6px 10px; border-radius: 999px; cursor: pointer; letter-spacing: .04em;
}
.lang button[aria-pressed="true"] { background: var(--ink); color: var(--paper); }
@media (max-width: 760px) { .nav a.link { display: none; } .nav { gap: 12px; } }

/* ------------------------------------------------------------------ Knöpfe */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 13px 20px; border-radius: 12px; font-weight: 600; font-size: 16px;
  text-decoration: none; border: 1px solid transparent; transition: transform .15s, background .15s;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--ink); color: var(--paper); }
.btn-primary:hover { color: var(--paper); }
.btn-ghost { border-color: var(--line); color: var(--ink); background: var(--card); }
.btn-ghost:hover { color: var(--ink); }
.btn svg { width: 20px; height: 20px; }

/* ------------------------------------------------------------------ Hero */
.hero {
  position: relative; overflow: hidden;
  padding: clamp(56px, 9vw, 110px) 0 clamp(48px, 7vw, 90px);
  background-image: repeating-linear-gradient(to bottom, transparent 0 35px, var(--rule) 35px 36px);
}
.hero::before { /* Randlinie wie auf College-Papier */
  content: ""; position: absolute; top: 0; bottom: 0; inset-inline-start: max(24px, calc(50% - var(--max) / 2 - 8px));
  width: 1px; background: rgba(210, 80, 80, .22);
}
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(28px, 5vw, 64px); align-items: center; }
@media (max-width: 900px) { .hero-grid { grid-template-columns: 1fr; } }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 600;
  letter-spacing: .06em; text-transform: uppercase; color: var(--accent);
  background: var(--accent-soft); padding: 6px 12px; border-radius: 999px; margin-bottom: 20px;
}
.hero h1 { font-size: clamp(40px, 6.2vw, 72px); font-weight: 800; }
.hero h1 .script { font-family: var(--font-serif); font-style: italic; font-weight: 500; color: var(--accent); }
.hero .lede { font-size: clamp(18px, 2vw, 21px); color: var(--ink-2); margin: 22px 0 30px; max-width: 34em; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.store-note { font-size: 14px; color: var(--ink-3); margin-top: 14px; }
.ink-underline { position: relative; white-space: nowrap; }
.ink-underline svg { position: absolute; inset-inline-start: -2%; bottom: -0.18em; width: 104%; height: .42em; overflow: visible; }
.ink-underline path { fill: none; stroke: var(--terracotta); stroke-width: 5; stroke-linecap: round; stroke-dasharray: 400; stroke-dashoffset: 400; animation: ink 1.1s .5s cubic-bezier(.6,.1,.2,1) forwards; }
@keyframes ink { to { stroke-dashoffset: 0; } }
@media (prefers-reduced-motion: reduce) { .ink-underline path { animation: none; stroke-dashoffset: 0; } }

.device {
  position: relative; border-radius: 26px; background: #0d0f16; padding: 10px;
  box-shadow: var(--shadow); transform: rotate(1.2deg);
}
.device img { border-radius: 18px; }
.device.phone { position: absolute; width: 30%; inset-inline-end: -4%; bottom: -8%; border-radius: 30px; padding: 7px; transform: rotate(-3deg); }
.device.phone img { border-radius: 24px; }
.hero-visual { position: relative; padding-bottom: 6%; }
@media (max-width: 900px) { .device.phone { width: 28%; inset-inline-end: 2%; } }

/* ------------------------------------------------------------------ Kennzahlen */
.facts { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; margin-top: clamp(40px, 6vw, 70px); }
.fact { background: var(--card); padding: 20px 22px; }
.fact strong { display: block; font: 800 28px/1.1 var(--font-display); letter-spacing: -0.02em; }
.fact span { color: var(--ink-3); font-size: 14px; }
@media (max-width: 760px) { .facts { grid-template-columns: repeat(2, 1fr); } }

/* ------------------------------------------------------------------ Abschnitte */
section.block { padding: clamp(64px, 9vw, 110px) 0; }
section.tint { background: var(--paper-2); }
.head { max-width: 46em; margin-bottom: clamp(32px, 5vw, 52px); }
.kicker { font-size: 13px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--terracotta); margin-bottom: 12px; }
.head h2 { font-size: clamp(30px, 4.2vw, 46px); font-weight: 800; }
.head p { color: var(--ink-2); font-size: 19px; margin-top: 16px; }

/* Neu-Karten */
.news { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
@media (max-width: 980px) { .news { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .news { grid-template-columns: 1fr; } }
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 26px; box-shadow: var(--shadow-sm);
}
.card h3 { font-size: 20px; margin: 14px 0 8px; }
.card p { color: var(--ink-2); font-size: 16px; margin: 0; }
.card .tag.soon { color: var(--terracotta); background: color-mix(in srgb, var(--terracotta) 14%, transparent); }
.card .tag { display: inline-block; font-size: 12px; font-weight: 700; color: var(--forest); background: color-mix(in srgb, var(--forest) 14%, transparent); padding: 3px 9px; border-radius: 999px; margin-inline-start: 6px; vertical-align: 2px; }
.icon {
  width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center;
  background: var(--accent-soft); color: var(--accent);
}
.icon svg { width: 24px; height: 24px; stroke: currentColor; fill: none; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.icon.t { background: color-mix(in srgb, var(--terracotta) 14%, transparent); color: var(--terracotta); }
.icon.f { background: color-mix(in srgb, var(--forest) 14%, transparent); color: var(--forest); }
.icon.s { background: color-mix(in srgb, var(--slate) 16%, transparent); color: var(--slate); }

/* Funktions-Zeilen mit Bild */
.feature { display: grid; grid-template-columns: 1fr 1.1fr; gap: clamp(28px, 5vw, 70px); align-items: center; padding: clamp(28px, 4vw, 48px) 0; }
.feature.flip .feature-text { order: 2; }
@media (max-width: 900px) { .feature { grid-template-columns: 1fr; } .feature.flip .feature-text { order: 0; } }
.feature h3 { font-size: clamp(24px, 3vw, 32px); font-weight: 800; margin-bottom: 12px; }
.feature p { color: var(--ink-2); }
.shot { border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--line); box-shadow: var(--shadow); background: var(--card); }
ul.ticks { list-style: none; padding: 0; margin: 18px 0 0; display: grid; gap: 10px; }
ul.ticks li { position: relative; padding-inline-start: 30px; color: var(--ink); }
ul.ticks li::before {
  content: ""; position: absolute; inset-inline-start: 2px; top: .45em; width: 16px; height: 9px;
  border-left: 2.5px solid var(--forest); border-bottom: 2.5px solid var(--forest);
  transform: rotate(-45deg); border-radius: 1px;
}
mark { background: linear-gradient(transparent 55%, var(--marker) 55%); color: inherit; padding: 0 2px; }

/* Raster aller Funktionen */
.all { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
@media (max-width: 1000px) { .all { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .all { grid-template-columns: 1fr; } }
.all .card { padding: 22px; }
.all ul { margin: 12px 0 0; padding-inline-start: 18px; color: var(--ink-2); font-size: 15px; }
.all li { margin: 4px 0; }

/* Lückentext-Vorschau */
.cloze { font-family: var(--font-serif); font-size: 19px; line-height: 2.1; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 28px 30px; box-shadow: var(--shadow);
  background-image: repeating-linear-gradient(to bottom, transparent 0 39px, var(--rule) 39px 40px); background-position: 0 14px; }
.cloze .gap { display: inline-block; min-width: 92px; border-bottom: 2px solid var(--ink-3); text-align: center; font-family: var(--font); font-size: 13px; color: var(--ink-3); line-height: 1.2; }
.cloze .bank { font-family: var(--font); font-size: 14px; display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 14px; line-height: 1; }
.cloze .bank span { border: 1px dashed var(--ink-3); border-radius: 8px; padding: 7px 10px; color: var(--ink-2); }
.levels { display: flex; gap: 6px; margin: 18px 0 0; flex-wrap: wrap; }
.levels span { font: 700 13px/1 var(--font); padding: 8px 11px; border-radius: 8px; background: var(--accent-soft); color: var(--accent); }

/* Datenschutz-Band */
.privacy-band { background: var(--ink); color: var(--paper); border-radius: 28px; padding: clamp(32px, 5vw, 60px); display: grid; grid-template-columns: 1.1fr 1fr; gap: 40px; }
.privacy-band h2 { font-size: clamp(28px, 3.6vw, 40px); }
.privacy-band p { color: color-mix(in srgb, var(--paper) 78%, transparent); }
.privacy-band ul.ticks li { color: var(--paper); }
.privacy-band ul.ticks li::before { border-color: #8fd6b1; }
.privacy-band a { color: #c9ccff; }
@media (max-width: 900px) { .privacy-band { grid-template-columns: 1fr; } }

/* Galerie */
.gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.gallery figure { margin: 0; }
.gallery .shot.phone { max-width: 58%; margin: 0 auto; border-radius: 28px; }
.gallery figcaption { font-size: 14px; color: var(--ink-3); margin-top: 10px; }
@media (max-width: 800px) { .gallery { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .gallery { grid-template-columns: 1fr; } }

/* Schlussaufruf */
.cta { text-align: center; }
.cta h2 { font-size: clamp(30px, 4vw, 44px); }
.cta p { color: var(--ink-2); font-size: 19px; margin: 14px auto 28px; max-width: 34em; }
.cta .actions { justify-content: center; }

/* ------------------------------------------------------------------ Textseiten */
.page { padding: clamp(40px, 6vw, 72px) 0 clamp(64px, 8vw, 100px); }
.page .wrap { max-width: 820px; }
.page h1 { font-size: clamp(34px, 5vw, 50px); font-weight: 800; margin-bottom: 10px; }
.page .meta { color: var(--ink-3); font-size: 15px; margin-bottom: 30px; }
.page h2 { font-size: 24px; margin: 44px 0 12px; scroll-margin-top: 80px; }
.page h3 { font-size: 18px; margin: 26px 0 8px; }
.page p, .page li { color: var(--ink-2); }
.page ul { padding-inline-start: 22px; }
.page li { margin: 6px 0; }
.summary { background: var(--card); border: 1px solid var(--line); border-inline-start: 4px solid var(--forest); border-radius: var(--radius); padding: 18px 22px; margin: 24px 0; }
.summary p:last-child { margin: 0; }
.toc { columns: 2; column-gap: 32px; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding-block: 18px; padding-inline: 40px 22px; margin: 24px 0; font-size: 15px; }
@media (max-width: 600px) { .toc { columns: 1; } }
table { width: 100%; border-collapse: collapse; font-size: 15px; margin: 16px 0; display: block; overflow-x: auto; }
th, td { text-align: start; vertical-align: top; padding: 10px 12px; border-bottom: 1px solid var(--line); color: var(--ink-2); }
th { color: var(--ink); font-weight: 600; background: var(--paper-2); }
address { font-style: normal; line-height: 1.7; color: var(--ink); }

/* FAQ */
details { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); margin: 12px 0; }
summary { cursor: pointer; padding-block: 18px; padding-inline: 22px 50px; font-weight: 600; color: var(--ink); list-style: none; position: relative; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; position: absolute; inset-inline-end: 22px; top: 50%; transform: translateY(-50%); font-size: 22px; color: var(--ink-3); transition: transform .2s; }
details[open] summary::after { transform: translateY(-50%) rotate(45deg); }
details > div { padding: 0 22px 18px; color: var(--ink-2); }
details > div p:last-child { margin: 0; }

/* ------------------------------------------------------------------ Fußzeile */
footer { border-top: 1px solid var(--line); padding: 44px 0 36px; font-size: 14px; color: var(--ink-3); }
.foot { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 28px; }
@media (max-width: 700px) { .foot { grid-template-columns: 1fr 1fr; } .foot > :first-child { grid-column: 1 / -1; } }
footer h4 { color: var(--ink); font-size: 14px; margin: 0 0 10px; }
footer a { color: var(--ink-2); text-decoration: none; display: block; margin: 5px 0; }
footer a:hover { color: var(--ink); }
.fine { margin-top: 28px; padding-top: 20px; border-top: 1px solid var(--line); font-size: 13px; }

/* Einblenden beim Scrollen (site.js) */
.js [data-reveal] { opacity: 0; transform: translateY(18px); transition: opacity .7s cubic-bezier(.2,.7,.2,1), transform .7s cubic-bezier(.2,.7,.2,1); }
.js [data-reveal].in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .js [data-reveal] { opacity: 1; transform: none; transition: none; } }

/* Arabisch: Die Buchstaben eines Wortes sind verbunden – Sperrung würde sie trennen, und
   kursive Schnitte gibt es für arabische Schrift nicht. */
:lang(ar) h1, :lang(ar) h2, :lang(ar) h3, :lang(ar) .eyebrow, :lang(ar) .kicker { letter-spacing: 0; }
:lang(ar) .hero h1 .script { font-style: normal; }
:lang(ar) body { line-height: 1.8; }